1. Park your car in a safe location and turn off the engine.
2. Open the hood of your car.
3. Locate the battery. It is usually located in the front of the engine compartment, near the windshield.
4. Disconnect the negative battery cable. This is the black cable that connects the battery to the chassis of the car. Use a wrench to loosen the nut that holds the cable in place, and then pull the cable off of the battery terminal.
5. Disconnect the positive battery cable. This is the red cable that connects the battery to the starter motor. Use a wrench to loosen the nut that holds the cable in place, and then pull the cable off of the battery terminal.
6. Remove the battery hold-down clamp. This is the metal clamp that holds the battery in place. Use a wrench to loosen the bolts that hold the clamp in place, and then remove the clamp.
7. Lift the battery out of the car. Be careful not to drop the battery, as it is heavy.
8. Place the new battery in the car. Make sure that the positive terminal of the battery is facing up.
9. Secure the battery hold-down clamp. Tighten the bolts that hold the clamp in place.
10. Reconnect the positive battery cable. Tighten the nut that holds the cable in place.
11. Reconnect the negative battery cable. Tighten the nut that holds the cable in place.
12. Close the hood of your car.
